// 
// Copyright (c) 2011, Willow Garage, Inc.
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//     * Redistributions of source code must retain the above copyright
//       notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright
//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
//     * Neither the name of the Willow Garage, Inc. nor the names of its
//       contributors may be used to endorse or promote products derived from
//       this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
#include <map>

#include <ecto/cell.hpp>
#include <ecto/registry.hpp>


namespace ecto {

  namespace registry {

    namespace {
      std::map<std::string, entry_t> cellmap;
    }

    void register_factory_fn(const std::string& name, entry_t e)
    {
      cellmap[name] = e;
    }
    
    boost::shared_ptr<cell> create(const std::string& name)
    {
      entry_t e = lookup(name);
      return e.construct();
    }

    boost::shared_ptr<cell> create_initialized(const std::string& name)
    {
      entry_t e = lookup(name);
      cell_ptr cp = e.construct();
      e.declare_params(cp->parameters);
      e.declare_io(cp->parameters, cp->inputs, cp->outputs);
      return cp;
    }

    entry_t lookup(const std::string& name)
    {
      std::map<std::string, entry_t>::iterator iter = cellmap.find(name);
      if (iter != cellmap.end())
        return iter->second;
      else
        BOOST_THROW_EXCEPTION(except::EctoException()
                              << except::diag_msg("Could not find cell")
                              << except::cell_name(name)); 
    }
  }

  namespace py {
    namespace bp = boost::python;

    void postregistration(const std::string& name,
                          const std::string& docstr,
                          const std::string& cpp_typename)
    {
      bp::object thismodule = bp::import("ecto");
      bp::object dict__ = getattr(thismodule, "__dict__");
      bp::object pr = dict__["postregister"];
      pr(name, cpp_typename, docstr, bp::scope());
    }
                   

  }

}

